ARM: nomadik: disable UART0 on Nomadik boards

The UART0 is not used on these boards, yet active and blocking
other use. Fix this by disabling UART0 and setting port aliases
to maintain port enumeration to userspace.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>

diff --git a/arch/arm/boot/dts/ste-nomadik-nhk15.dts b/arch/arm/boot/dts/ste-nomadik-nhk15.dts
index 3d0b875..3d25dba 100644 (file)
--- a/arch/arm/boot/dts/ste-nomadik-nhk15.dts
+++ b/arch/arm/boot/dts/ste-nomadik-nhk15.dts
@@ -17,6 +17,7 @@
        };
 
        aliases {
+               serial1 = &uart1;
                stmpe-i2c0 = &stmpe0;
                stmpe-i2c1 = &stmpe1;
        };

diff --git a/arch/arm/boot/dts/ste-nomadik-s8815.dts b/arch/arm/boot/dts/ste-nomadik-s8815.dts
index 85d3b95..3c140d0 100644 (file)
--- a/arch/arm/boot/dts/ste-nomadik-s8815.dts
+++ b/arch/arm/boot/dts/ste-nomadik-s8815.dts
@@ -15,6 +15,10 @@
                bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk";
        };
 
+       aliases {
+               serial1 = &uart1;
+       };
+
        src@101e0000 {
                /* These chrystal drivers are not used on this board */
                disable-sxtalo;

diff --git a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
index 9a5f2ba..ef794a3 100644 (file)
--- a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
+++ b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
@@ -757,6 +757,7 @@
                        clock-names = "uartclk", "apb_pclk";
                        pinctrl-names = "default";
                        pinctrl-0 = <&uart0_default_mux>;
+                       status = "disabled";
                };
 
                uart1: uart@101fb000 {